Question 1

Does L-Glutathione help with Oral L-Cystine combined with L-Glutathione (500 mg + 250 mg daily) showed significant skin lightening and reduction in facial dark spots in Asian women over 12 weeks compared to placebo (PMID: 33834608). Oral reduced GSH at 65 mg/kg/day significantly improved weight, BMI, height, and gut inflammation markers in pediatric cystic fibrosis patients over 6 months (PMID: 25633497). Sublingual L-GSH supplementation was associated with reductions in total and LDL cholesterol and improved arterial stiffness in a small subset of cardiovascular risk patients with baseline endothelial dysfunction (PMID: 28526381).?

Accepted Answer

Based on weak evidence, Oral L-Cystine combined with L-Glutathione (500 mg + 250 mg daily) showed significant skin lightening and reduction in facial dark spots in Asian women over 12 weeks compared to placebo (PMID: 33834608). Oral reduced GSH at 65 mg/kg/day significantly improved weight, BMI, height, and gut inflammation markers in pediatric cystic fibrosis patients over 6 months (PMID: 25633497). Sublingual L-GSH supplementation was associated with reductions in total and LDL cholesterol...

Question 2

How much L-Glutathione should I take?

Accepted Answer

The effective dose is 250 mg/day (skin lightening, combined with L-Cystine); 65 mg/kg/day (pediatric CF); sublingual formulations studied for cardiovascular effects — No single universal established dose.

Question 3

What products contain L-Glutathione?

Accepted Answer

HypeCheck has analyzed 1 products containing L-Glutathione, including Transparent Labs Nitric Oxide.

Does L-Glutathione Help With Oral L-Cystine combined with L-Glutathione (500 mg + 250 ...?

Evidence Summary

Effective Dose

Products Containing L-Glutathione